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AB engines have troubles with the initial position. However if you play out Qxe5 fxe5 Rf1 it looks like most of them still have problems! With black to move many still show a draw score and have trouble seeing they are losing. So is there another sacrifice or zugwang position deeper in the analysis...

Yup. Configure your GUI to display NPS and run both executables on a given position.

You might also try some of the SF Dev compiles at https://abrok.eu/stockfish/ There has been a fair bit of code optimization since SF-12 was released.

This works well for me.
http://getmd5checker.com/

https://github.com/gurnec/HashCheck/releases/tag/v2.4.0 looks pretty good, and is supposedly open source.

You've seen chess benchmarks? Please share the link.

Overall, performance per watt seems very competitive with AMD and Intel designs.

IPMan has a few benchmarks up. The BMI2 compiles are fractionally faster than POP, and the 5xxx series are substantially faster than the corresponding 3xxx models. http://ipmanchess.yolasite.com/amd---in ... -bench.php

Can someone with an AMD Bulldozer or Piledriver series CPU please run some benchmarks on the Modern/Popcnt and Base'/x64 compiles? Popcnt and above use SSSE3 in the NNUE code, which my 6100 series Opteron chips cannot digest. I'm stuck running the slowest executable. The CPUs can be upgraded for che...

Amen - I love it when I see an atheist quoting the Bible ... an old friend of my said this once - lets just say the atheist view is correct - well ,when we die, we die and and we all go back to dust . But just say there is a God, then atheist gets to spend his eternal years in hell and the rest of ...

syzygy wrote: ↑

Sat Jul 11, 2020 11:36 pm

I have now released Cfish 11a:
https://github.com/syzygy1/Cfish/releases/tag/cfish_11a

Thank you for the executables!

The ability to play two engines against one another with asymmetric time controls is handy.

Fantastic news!